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An MD80 after being pushed back into a parking spot and the tug disconnected the aircraft rolled backwards striking a concrete barrier.
| Attributes | |
| ACN | 473167 |
| Time | |
| Date | 200005 |
| Day | Tue |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | agl single value : 0 |
| Environment | |
| Weather Elements | Rain |
| Light | Daylight |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | MD-80 Super 80 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : maintenance ground other : towing |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | maintenance : lead technician |
| Qualification | technician : powerplant technician : airframe |
| ASRS Report | 473167 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | maintenance : technician |
| Qualification | technician : powerplant technician : airframe |
| ASRS Report | 473168 |
| Events | |
| Anomaly | aircraft equipment problem : critical excursion : ramp non adherence : company policies non adherence : published procedure other anomaly |
| Independent Detector | other other : person 1 |
| Resolutory Action | other |
| Consequence | other other |
| Factors | |
| Maintenance | performance deficiency : training |
| Supplementary | |
| Problem Areas | Maintenance Human Performance |
| Primary Problem | Maintenance Human Performance |
Narrative:
Moving aircraft out of hangar, hooked up tug, cleared wings from any objects, assigned 2 wing walkers, 2 brake men, 1 tug driver, removed chocks from main gear, signaled brakes off. Tugged aircraft to position clear of other aircraft, signaled to brake man to set brakes. Got signal brakes were set, yelled to chock aircraft. As we chocked aircraft, disconnected aircraft from tug. Within 5-10 seconds aircraft began to roll backward. Yelling to hit brakes again, aircraft struck a concrete barrier damaging aircraft and coming to rest on barrier. Reported accident to supervisor.
Original NASA ASRS Text
Title: AN MD80 AFTER BEING PUSHED BACK INTO A PARKING SPOT AND THE TUG DISCONNECTED THE ACFT ROLLED BACKWARDS STRIKING A CONCRETE BARRIER.
Narrative: MOVING ACFT OUT OF HANGAR, HOOKED UP TUG, CLRED WINGS FROM ANY OBJECTS, ASSIGNED 2 WING WALKERS, 2 BRAKE MEN, 1 TUG DRIVER, REMOVED CHOCKS FROM MAIN GEAR, SIGNALED BRAKES OFF. TUGGED ACFT TO POS CLR OF OTHER ACFT, SIGNALED TO BRAKE MAN TO SET BRAKES. GOT SIGNAL BRAKES WERE SET, YELLED TO CHOCK ACFT. AS WE CHOCKED ACFT, DISCONNECTED ACFT FROM TUG. WITHIN 5-10 SECONDS ACFT BEGAN TO ROLL BACKWARD. YELLING TO HIT BRAKES AGAIN, ACFT STRUCK A CONCRETE BARRIER DAMAGING ACFT AND COMING TO REST ON BARRIER. RPTED ACCIDENT TO SUPVR.
Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.